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beta ray

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
beta ray
n.
A stream of beta particles, especially of electrons.
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Immediately after the procedure, researchers randomly assigned patients to receive one of four different doses of radioactive yttrium-90 -- which emits beta rays -- within their arteries.
Radiation therapy keeps arteries clear by Wang, L. / Science News
The peptide is designed to adhere to somatostatin receptors that are overexpressed by several types of cancer, while the Re-188 isotope "warhead" emits a beta ray that destroys tumor cells.
New Anticancer Compound Arrests the Growth of Tumors in Laboratory ... by Business Wire
The ocean contains a certain amount of radioactive potassium, which emits beta rays that produce Cherenkov light of their own.
Seeking neutrinos under the ocean by Thomsen, Dietrick E. / Science News
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